patch-2.3.9 linux/drivers/video/newport_con.c

• Lines: 421
• Date: Fri Jun 25 17:37:52 1999
• Orig file: v2.3.8/linux/drivers/video/newport_con.c
• Orig date: Thu Feb 25 10:02:12 1999

diff -u --recursive --new-file v2.3.8/linux/drivers/video/newport_con.c linux/drivers/video/newport_con.c
@@ -1,8 +1,9 @@
-/* $Id: newport_con.c,v 1.3 1998/09/01 21:43:18 tsbogend Exp $
+/* $Id: newport_con.c,v 1.13 1999/04/11 10:37:08 ulfc Exp $
  *
  * newport_con.c: Abscon for newport hardware
  * 
  * (C) 1998 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
+ * (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se)
  * 
  * This driver is based on sgicons.c and cons_newport.
  * 
@@ -19,19 +20,27 @@
 #include <linux/console_struct.h>
 #include <linux/vt_kern.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/newport.h>
+#define INCLUDE_LINUX_LOGO_DATA
+#include <asm/linux_logo.h>
 
-struct newport_regs *npregs;
-int newport_num_lines;
-int newport_num_columns;
-int topscan;
+#define LOGO_W		80
+#define LOGO_H		80
 
 extern unsigned char vga_font[];
+extern struct newport_regs *npregs;
+
+static int logo_active;
+static int topscan;
+static int xcurs_correction = 29;
+static int newport_xsize;
+static int newport_ysize;
 
 #define BMASK(c) (c << 24)
 
@@ -49,7 +58,8 @@
 #define TESTVAL 0xdeadbeef
 #define XSTI_TO_FXSTART(val) (((val) & 0xffff) << 11)
 
-static inline void newport_render_background(int xpos, int ypos, int ci)
+static inline void newport_render_background(int xstart, int ystart,
+					     int xend, int yend, int ci)
 {
     newport_wait();
     npregs->set.wrmask = 0xffffffff;
@@ -57,8 +67,8 @@
 			     NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX |
 			     NPORT_DMODE0_STOPY);
     npregs->set.colori = ci;
-    npregs->set.xystarti = (xpos << 16) | ((ypos + topscan) & 0x3ff);
-    npregs->go.xyendi = ((xpos + 7) << 16) | ((ypos + topscan + 15) & 0x3ff);
+    npregs->set.xystarti = (xstart << 16) | ((ystart + topscan) & 0x3ff);
+    npregs->go.xyendi = ((xend + 7) << 16) | ((yend + topscan + 15) & 0x3ff);
 }
 
 static inline void newport_init_cmap(void)
@@ -75,23 +85,51 @@
     }
 }
 
-static inline void newport_clear_screen(int xstart, int ystart, int xend, int yend)
+static inline void newport_show_logo(void)
 {
+    unsigned long i;
+
+    for(i = 0; i < LINUX_LOGO_COLORS; i++) {
+	newport_bfwait();
+	newport_cmap_setaddr(npregs, i + 0x20);
+	newport_cmap_setrgb(npregs,
+			    linux_logo_red[i],
+			    linux_logo_green[i],
+			    linux_logo_blue[i]);
+    }
+
+    newport_wait();
+    npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
+			     NPORT_DMODE0_CHOST);
+    
+    npregs->set.xystarti = ((newport_xsize - LOGO_W) << 16) | (0);
+    npregs->set.xyendi = ((newport_xsize - 1) << 16);
+    newport_wait();
+
+    for (i = 0; i < LOGO_W * LOGO_H; i++)
+	npregs->go.hostrw0 = linux_logo[i] << 24;
+}
+
+static inline void newport_clear_screen(int xstart, int ystart, int xend,
+					int yend, int ci) {
+    if (logo_active)
+	return;
+
     newport_wait();
     npregs->set.wrmask = 0xffffffff;
     npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
 			     NPORT_DMODE0_DOSETUP | NPORT_DMODE0_STOPX |
 			     NPORT_DMODE0_STOPY);
-    npregs->set.colori = 0;
+    npregs->set.colori = ci;
     npregs->set.xystarti = (xstart << 16) | ystart;
     npregs->go.xyendi = (xend << 16) | yend;
 }
 
-static inline void newport_clear_lines(int ystart, int yend)
+static inline void newport_clear_lines(int ystart, int yend, int ci)
 {
     ystart = ((ystart << 4) + topscan) & 0x3ff;
     yend = ((yend << 4) + topscan + 15) & 0x3ff;    
-    newport_clear_screen (0, ystart, 1279, yend);
+    newport_clear_screen (0, ystart, 1280+63, yend, ci);
 }
 
 void newport_reset (void)
@@ -116,13 +154,121 @@
     }
 
     newport_init_cmap();
-    npregs->cset.topscan = topscan = 0;
+
+    /* turn off popup plane */
+    npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
+                           XM9_CRS_CONFIG | NPORT_DMODE_W1);
+    npregs->set.dcbdata0.bytes.b3 &= ~XM9_PUPMODE;
+    npregs->set.dcbmode = (DCB_XMAP1 | R_DCB_XMAP9_PROTOCOL |
+                           XM9_CRS_CONFIG | NPORT_DMODE_W1);
+    npregs->set.dcbdata0.bytes.b3 &= ~XM9_PUPMODE;
+    
+    topscan = 0;
+    npregs->cset.topscan = 0x3ff;
     npregs->cset.xywin = (4096 << 16) | 4096;
+
     /* Clear the screen. */
-    newport_clear_screen(0,0,1280+63,1024);
+    newport_clear_screen(0,0,1280+63,1024,0);
 }
 
+/*
+ * calculate the actual screen size by reading
+ * the video timing out of the VC2
+ */
+void newport_get_screensize(void)
+{
+    int i,cols;
+    unsigned short ventry,treg;
+    unsigned short linetable[128]; /* should be enough */
+
+    ventry = newport_vc2_get (npregs, VC2_IREG_VENTRY);
+    newport_vc2_set(npregs, VC2_IREG_RADDR, ventry);
+    npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
+			   NPORT_DMODE_W2 | VC2_PROTOCOL);
+    for(i = 0; i < 128; i++) {
+	newport_bfwait();
+	linetable[i] = npregs->set.dcbdata0.hwords.s1;
+    }
+
+    newport_xsize = newport_ysize = 0;
+    for (i = 0; linetable[i+1] && (i < sizeof(linetable)); i+=2) {
+	cols = 0;
+        newport_vc2_set(npregs, VC2_IREG_RADDR, linetable[i]);
+        npregs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
+			       NPORT_DMODE_W2 | VC2_PROTOCOL);
+	do {
+	    newport_bfwait();
+	    treg = npregs->set.dcbdata0.hwords.s1;
+	    if ((treg & 1) == 0)
+		cols += (treg >> 7) & 0xfe;
+	    if ((treg & 0x80) == 0) {
+		newport_bfwait();
+		treg = npregs->set.dcbdata0.hwords.s1;
+	    } 
+	} while ((treg & 0x8000) == 0);
+	if (cols) {
+	    if (cols > newport_xsize)
+		newport_xsize = cols;
+	    newport_ysize += linetable[i+1];
+	}
+    }
+    printk ("NG1: Screensize %dx%d\n",newport_xsize,newport_ysize);
+}
+
+static void newport_get_revisions(void)
+{
+    unsigned int tmp;
+    unsigned int board_rev;
+    unsigned int rex3_rev;
+    unsigned int vc2_rev;
+    unsigned int cmap_rev;
+    unsigned int xmap9_rev;
+    unsigned int bt445_rev;
+    unsigned int bitplanes;
+
+    rex3_rev = npregs->cset.stat & NPORT_STAT_VERS;
+
+    npregs->set.dcbmode = (DCB_CMAP0 | NCMAP_PROTOCOL |
+                           NCMAP_REGADDR_RREG | NPORT_DMODE_W1);
+    tmp = npregs->set.dcbdata0.bytes.b3;
+    cmap_rev = tmp & 7;
+    board_rev = (tmp >> 4) & 7;
+    bitplanes = ((board_rev > 1) && (tmp & 0x80)) ? 8 : 24; 
+
+    npregs->set.dcbmode = (DCB_CMAP1 | NCMAP_PROTOCOL |
+                           NCMAP_REGADDR_RREG | NPORT_DMODE_W1);
+    tmp = npregs->set.dcbdata0.bytes.b3;
+    if ((tmp & 7) < cmap_rev)
+	cmap_rev = (tmp & 7);
+
+    vc2_rev = (newport_vc2_get(npregs, VC2_IREG_CONFIG) >> 5) & 7;
+
+    npregs->set.dcbmode = (DCB_XMAP0 | R_DCB_XMAP9_PROTOCOL |
+                           XM9_CRS_REVISION | NPORT_DMODE_W1);
+    xmap9_rev = npregs->set.dcbdata0.bytes.b3 & 7;
+
+    npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL |
+                           BT445_CSR_ADDR_REG | NPORT_DMODE_W1);
+    npregs->set.dcbdata0.bytes.b3 = BT445_REVISION_REG;
+    npregs->set.dcbmode = (DCB_BT445 | BT445_PROTOCOL |
+                           BT445_CSR_REVISION | NPORT_DMODE_W1);
+    bt445_rev = (npregs->set.dcbdata0.bytes.b3 >> 4) - 0x0a;
+
+#define L(a)     (char)('A'+(a))
+    printk ("NG1: Revision %d, %d bitplanes, REX3 revision %c, VC2 revision %c, xmap9 revision %c, cmap revision %c, bt445 revision %c\n",
+	    board_rev,bitplanes,L(rex3_rev),L(vc2_rev), L(xmap9_rev),
+	    L(cmap_rev ? (cmap_rev+1):0),L(bt445_rev));
+#undef L
+
+    if (board_rev == 3) /* I don't know all affected revisions */
+	xcurs_correction = 21;
+}
+
+#ifdef MODULE
+static const char *newport_startup(void)
+#else
 __initfunc(static const char *newport_startup(void))
+#endif
 {
     struct newport_regs *p;
 
@@ -140,18 +286,18 @@
     }
 
     newport_reset ();
+    newport_get_revisions();
+    newport_get_screensize();
 
     // gfx_init (display_desc);
-    newport_num_lines = ORIG_VIDEO_LINES;
-    newport_num_columns = ORIG_VIDEO_COLS;
     
     return "SGI Newport";
 }
 
 static void newport_init(struct vc_data *vc, int init)
 {
-    vc->vc_cols = newport_num_columns;
-    vc->vc_rows = newport_num_lines;
+    vc->vc_cols = newport_xsize / 8;
+    vc->vc_rows = newport_ysize / 16;
     vc->vc_can_do_color = 1;
 }
 
@@ -160,12 +306,18 @@
     int xend = ((sx + width) << 3) - 1;
     int ystart = ((sy << 4) + topscan) & 0x3ff;
     int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff;
+
+    if (logo_active)
+	return;
     
     if (ystart < yend) {
-	newport_clear_screen(sx << 3, ystart, xend, yend);
+	newport_clear_screen(sx << 3, ystart, xend, yend,
+			     (vc->vc_color & 0xf0) >> 4);
     } else {
-	newport_clear_screen(sx << 3, ystart, xend, 1023);
-	newport_clear_screen(sx << 3, 0, xend, yend);
+	newport_clear_screen(sx << 3, ystart, xend, 1023,
+			     (vc->vc_color & 0xf0) >> 4);
+	newport_clear_screen(sx << 3, 0, xend, yend,
+			     (vc->vc_color & 0xf0) >> 4);
     }
 }
 
@@ -178,7 +330,7 @@
     xpos <<= 3;
     ypos <<= 4;
 
-    newport_render_background(xpos, ypos, (charattr & 0xf0) >> 4);
+    newport_render_background(xpos, ypos, xpos, ypos, (charattr & 0xf0) >> 4);
     
     /* Set the color and drawing mode. */
     newport_wait();
@@ -196,11 +348,43 @@
     RENDER(npregs, p);
 }
 
-static void newport_putcs(struct vc_data *vc, const unsigned short *s, int count,
-			  int ypos, int xpos)
+static void newport_putcs(struct vc_data *vc, const unsigned short *s,
+			  int count, int ypos, int xpos)
 {
-    while (count--)
-	newport_putc (vc, scr_readw(s++), ypos, xpos++);
+    int i;
+    int charattr;
+    unsigned char *p; 
+
+    charattr = (*s >> 8) & 0xff;
+
+    xpos <<= 3;
+    ypos <<= 4;
+
+    if (!logo_active)
+	/* Clear the area behing the string */
+	newport_render_background(xpos, ypos, xpos + ((count-1) << 3), ypos,
+				  (charattr & 0xf0) >> 4);
+
+    newport_wait();
+
+    /* Set the color and drawing mode. */
+    npregs->set.colori = charattr & 0xf;
+    npregs->set.drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK |
+			     NPORT_DMODE0_STOPX | NPORT_DMODE0_ZPENAB |
+			     NPORT_DMODE0_L32);
+    
+    for (i = 0; i < count; i++, xpos += 8) {
+	p = &vga_font[(s[i] & 0xff) << 4];
+
+	newport_wait();
+
+	/* Set coordinates for bitmap operation. */
+	npregs->set.xystarti = (xpos << 16) | ((ypos + topscan) & 0x3ff);
+	npregs->set.xyendi = ((xpos + 7) << 16);
+
+	/* Go, baby, go... */
+	RENDER(npregs, p);
+    }
 }
 
 static void newport_cursor(struct vc_data *vc, int mode)
@@ -220,7 +404,7 @@
 	newport_vc2_set(npregs, VC2_IREG_CONTROL, (treg | VC2_CTRL_ECDISP));
 	xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2;
 	ycurs = ((xcurs / vc->vc_cols) << 4) + 31;
-	xcurs = ((xcurs % vc->vc_cols) << 3) + 21;
+	xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction;
 	newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs);
 	newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs);
     }
@@ -228,7 +412,17 @@
 
 static int newport_switch(struct vc_data *vc)
 {
-    npregs->cset.topscan = topscan = 0;
+    static int logo_drawn = 0;
+
+    topscan = 0;
+    npregs->cset.topscan = 0x3ff;
+
+    if (!logo_drawn) {
+	newport_show_logo();
+	logo_drawn = 1;
+	logo_active = 1;
+    }
+
     return 1;
 }
 
@@ -270,14 +464,18 @@
     unsigned short *s, *d;
     unsigned short chattr;
 
+    logo_active = 0;	/* it's time to disable the logo now.. */
+
     if (t == 0 && b == vc->vc_rows) {
 	if (dir == SM_UP) {
-	    npregs->cset.topscan = topscan = (topscan + (lines << 4)) & 0x3ff;
-	    newport_clear_lines (vc->vc_rows-lines,vc->vc_rows-1);		
+	    topscan = (topscan + (lines << 4)) & 0x3ff;
+	    newport_clear_lines (vc->vc_rows-lines,vc->vc_rows-1,
+				 (vc->vc_color & 0xf0) >> 4);
 	} else {
-	    npregs->cset.topscan = topscan = (topscan + (-lines << 4)) & 0x3ff;
-	    newport_clear_lines (0,lines-1);
+	    topscan = (topscan + (-lines << 4)) & 0x3ff;
+	    newport_clear_lines (0,lines-1, (vc->vc_color & 0xf0) >> 4);
 	}
+	npregs->cset.topscan = (topscan - 1) & 0x3ff;
 	return 0;
     }
     
@@ -392,3 +590,23 @@
     NULL, /* newport_build_attr */
     NULL  /* newport_invert_region */
 };
+
+#ifdef MODULE
+
+int init_module(void) {
+    if (!newport_startup()) 
+       printk("Error loading SGI Newport Console driver\n");
+    else 
+       printk("Loading SGI Newport Console Driver\n");
+
+    take_over_console(&newport_con,0,MAX_NR_CONSOLES-1,1);
+
+    return 0;
+}
+
+int cleanup_module(void) {
+    printk("Unloading SGI Newport Console Driver\n");
+    return 0;
+}
+
+#endif